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copied!<p>You should add <a href="http://download.oracle.com/javase/7/docs/api/javax/swing/table/TableModel.html#getColumnName%28int%29"><code>getColumnName()</code></a> in your TableModel:</p> <pre><code>String[] employee = {"Employee 1", "Employee 2"}; @Override public String getColumnName(int index) { return employee[index]; } </code></pre> <p>In your case this could be:</p> <pre><code>model = new DefaultTableModel() { private static final long serialVersionUID = 1L; String[] employee = {"Employee 1", "Employee 2"}; @Override public int getColumnCount() { return employee.length; } @Override public boolean isCellEditable(int row, int col) { return false; } @Override public int getRowCount() { return Inform.getRowCount(); } @Override public String getColumnName(int index) { return employee[index]; } }; </code></pre> <p>And here is a fully working example:</p> <pre><code>import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; public class TableNamesTest extends JFrame { public TableNamesTest() { DefaultTableModel model = new DefaultTableModel() { String[] employee = {"emp 1", "emp 2"}; @Override public int getColumnCount() { return employee.length; } @Override public String getColumnName(int index) { return employee[index]; } }; JTable table = new JTable(model); add(new JScrollPane(table)); pack(); setDefaultCloseOperation(EXIT_ON_CLOSE); setVisible(true); } public static void main(String[] args) { new TableNamesTest(); } } </code></pre>

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